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2. Radioactive iodine uptake test - Wikipedia

   en.wikipedia.org/wiki/Radioactive_iodine_uptake_test

   The patient swallows a radioisotope of iodine in the form of capsule or fluid, and the absorption (uptake) of this radiotracer by the thyroid is studied after 4–6 hours and after 24 hours with the aid of a scintillation counter. The dose is typically 0.15–0.37 MBq (4–10 μCi) of 131 I iodide, or 3.7–7.4 MBq (100–200 μCi) of 123 I ...

3. Plummer effect - Wikipedia

   en.wikipedia.org/wiki/Plummer_effect

   Unlike the Wolff–Chaikoff effect, the Plummer effect does not prevent the thyroid from taking up radioactive iodine, e.g. in the case of nuclear emergencies.Therefore, "plummering" with high-dose iodine is only effective in a short time window after the release of radionuclides. [9]

4. Thyroid function tests - Wikipedia

   en.wikipedia.org/wiki/Thyroid_function_tests

   Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.

5. Thyroid - Wikipedia

   en.wikipedia.org/wiki/Thyroid

   Thyroid function tests will help reveal whether the nodule produces excess thyroid hormones. A radioactive iodine uptake test can help reveal the activity and location of the cancer and metastases. [67] [69] Thyroid cancers are treated by removing the whole or part of thyroid gland. Radioactive Iodine-131 may be given to radioablate the thyroid.

6. Iodine deficiency - Wikipedia

   en.wikipedia.org/wiki/Iodine_deficiency

   Iodine deficiency is an important global health issue, especially for fertile and pregnant women. It is also a preventable cause of intellectual disability. Iodine is an essential dietary mineral for neurodevelopment among children. [1] The thyroid hormones thyroxine and triiodothyronine contain iodine. In areas where there is little iodine in ...

7. Hypothyroidism - Wikipedia

   en.wikipedia.org/wiki/Hypothyroidism

   In 1971, the thyroid stimulating hormone (TSH) radioimmunoassay was developed, which was the most specific marker for assessing thyroid status in patients. [81] Many people who were being treated based on basal metabolic rate, minimizing hypothyroid symptoms, or based on serum protein-bound iodine, were found to have excessive thyroid hormone. [81]